<PAGE>
EXHIBIT 23.3
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the use in this Registration Statement on Form S-4 of
BioTransplant Inc. of our report dated March 10, 2000, except for the
information in Note N and Note O, as to which the date is January 5, 2001,
relating to the financial statements of Eligix, Inc., which appears in such
Registration Statement. We also consent to the reference to us under the heading
"Experts" in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts
January 5, 2001
